openwrt/package/system/ubox/files/log.init
Jo-Philipp Wich ec83fb9ced ubox: fix init script validation of log_ip option
The underlying logread process uses usock() to handle remote connections
which is able to handle both hostnames and IP addresses.

Ref: https://github.com/openwrt/luci/issues/5077
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
2021-05-28 15:23:14 +02:00

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#!/bin/sh /etc/rc.common
# Copyright (C) 2013 OpenWrt.org
# start after and stop before networking
START=12
STOP=89
PIDCOUNT=0
USE_PROCD=1
PROG=/sbin/logread
validate_log_section()
{
uci_load_validate system system "$1" "$2" \
'log_file:string' \
'log_size:uinteger' \
'log_hostname:string' \
'log_ip:host' \
'log_remote:bool:1' \
'log_port:port:514' \
'log_proto:or("tcp", "udp"):udp' \
'log_trailer_null:bool:0' \
'log_prefix:string'
}
validate_log_daemon()
{
uci_load_validate system system "$1" "$2" \
'log_size:uinteger:0' \
'log_buffer_size:uinteger:0'
}
start_service_daemon()
{
[ $log_buffer_size -eq 0 -a $log_size -gt 0 ] && log_buffer_size=$log_size
[ $log_buffer_size -eq 0 ] && log_buffer_size=64
procd_open_instance
procd_set_param command "/sbin/logd"
procd_append_param command -S "${log_buffer_size}"
procd_set_param respawn 5 1 -1
procd_close_instance
}
start_service_file()
{
PIDCOUNT="$(( ${PIDCOUNT} + 1))"
local pid_file="/var/run/logread.${PIDCOUNT}.pid"
[ "$2" = 0 ] || {
echo "validation failed"
return 1
}
[ -z "${log_file}" ] && return
mkdir -p "$(dirname "${log_file}")"
procd_open_instance
procd_set_param command "$PROG" -f -F "$log_file" -p "$pid_file"
[ -n "${log_size}" ] && procd_append_param command -S "$log_size"
procd_close_instance
}
start_service_remote()
{
PIDCOUNT="$(( ${PIDCOUNT} + 1))"
local pid_file="/var/run/logread.${PIDCOUNT}.pid"
[ "$2" = 0 ] || {
echo "validation failed"
return 1
}
[ "${log_remote}" -ne 0 ] || return
[ -z "${log_ip}" ] && return
[ -z "${log_hostname}" ] && log_hostname=$(cat /proc/sys/kernel/hostname)
procd_open_instance
procd_set_param command "$PROG" -f -h "$log_hostname" -r "$log_ip" "${log_port}" -p "$pid_file"
case "${log_proto}" in
"udp") procd_append_param command -u;;
"tcp") [ "${log_trailer_null}" -eq 1 ] && procd_append_param command -0;;
esac
[ -z "${log_prefix}" ] || procd_append_param command -P "${log_prefix}"
procd_close_instance
}
service_triggers()
{
procd_add_reload_trigger "system"
procd_add_validation validate_log_section
}
start_service()
{
config_load system
config_foreach validate_log_daemon system start_service_daemon
config_foreach validate_log_section system start_service_file
config_foreach validate_log_section system start_service_remote
}